Will S&P 500 (SPX) hit $8,600 (HIGH) in December?

The 11¢ price implies only an 11% probability of SPX reaching $8,600 by end-2026, yet the asymmetric implied yield of 1,145% on the Yes side versus 17.5% on the No side suggests significant tail-risk pricing rather than fundamental conviction. With just $26.59 in 24-hour volume against $2.3M open interest and a 7¢ spread, liquidity is extremely thin relative to position size, creating potential slippage concerns and raising questions about whether this pricing reflects genuine market belief or illiquidity-driven distortion. The realized volatility of 1,637% is extraordinarily elevated—likely driven by the binary nature and long duration—and the recent price movement from 7¢ to 11¢ over seven days warrants monitoring for whether this reflects new information or speculative positioning ahead of the 258-day expiry.

Resolution rules

This market will resolve to "Yes" if, at any point between market creation and market close on the final day of trading for December 2026, any 1-minute candle for S&P 500 (SPX) shows a final "High" price equal to or above the listed price. Otherwise, this market will resolve to "No." All prices recorded during regular trading hours of the primary exchange for the instrument, as reflected in Yahoo Finance's 1-minute interval ("1m") data, will be considered. Periods when the market is officially closed (e.g., holidays or maintenance breaks) will not be considered. All times referenced are local to the primary exchange on which the index trades. The resolution source for this market is Yahoo Finance — specifically, the 1-minute interval ("1m") chart data for S&P 500 (SPX) available at https://finance.yahoo.com/quote/%5EGSPC/.

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